CN102368631B - Efficient and reliable power supply architecture of data center electronic equipment - Google Patents

Efficient and reliable power supply architecture of data center electronic equipment Download PDF

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Publication number
CN102368631B
CN102368631B CN201110298216.7A CN201110298216A CN102368631B CN 102368631 B CN102368631 B CN 102368631B CN 201110298216 A CN201110298216 A CN 201110298216A CN 102368631 B CN102368631 B CN 102368631B
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voltage
module
power supply
output
voltage direct
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CN102368631A (en
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李孝众
张炳华
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Beijing Baidu Netcom Science and Technology Co Ltd
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Beijing Baidu Netcom Science and Technology Co Ltd
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Abstract

The invention aims at providing a power supply system for electronic equipment and a corresponding frame power supply, wherein the power supply system comprises a back-up type high-voltage direct-current power supply and a frame power supply, the input end of the back-up type high-voltage direct-current power supply is of high-voltage alternating-current input, the output end of the back-up type high-voltage direct-current power supply is of high-voltage direct-current output, and the back-up type high-voltage direct-current power supply comprises a rectifier device used for charging a storage battery; and the frame power supply comprises a first module, a second module and a control switching device, wherein the first module is used for converting the high-voltage alternating-current input into a low-voltage direct-current output, the second module is used for converting the high-voltage direct-current input into a low-voltage direct-current output, output ends of the first module and the second module are connected in parallel together, output through a low-voltage direct-current bus and are used for supplying power for a plurality of electronic equipment, and the control switching device is used for controlling the switching of the first module and the second module and ensuring that the first module supplies power to the plurality of electronic equipment when the high-voltage direct-current power is normal and the second module supplies power to the plurality of electronic equipment when the high-voltage direct-current power is interrupted. Compared with the prior art, the power supply system has the advantages of high efficiency, high reliability and small investment.

Description

A kind of data center's electronic equipment construction for electricity of high efficient and reliable
Technical field
The present invention relates to power supply field, relate in particular to a kind of power supply technology for electronic equipment.
Background technology
Available data central server generally adopts ups system power supply, and data center server is generally 1U or 2U structure, the power module of every station server configuration alternating current 220V or direct current 48V input, and power module can be by N, N+1 or 2N configuration.Corresponding with server power supply input, server front end configuration ups power equipment or 48V high frequency switch power equipment.
In recent years, in order to improve reliability and the power supply conversion efficiency of power supplying system of server, the domestic high voltage direct current electric power system that has occurred replacing with high-voltage DC power supply (as DC240V) UPS or 48V DC power supply; There is cancellation ups power or 48V DC power supply abroad, storage battery has been installed to the novel dispersed power supply system of server end simultaneously.
The existing electric power system framework of data center server mainly can be divided into following four kinds:
(1) on line type UPS electric power system;
This system is most widely used in available data center, and its nucleus equipment is two conversion on line type UPS power supplys, and in order to reduce costs, ups system adopts centralized power supply system conventionally, and its feature comprises:
1. system configuration: ups power is made up of rectifier, inverter, control circuit and bypass circuit, storage battery is connected on the DC bus between rectifier and inverter.In order to improve the reliability of unit, UPS forms N+1 parallel redundancy mode conventionally.
2. operational mode: when normal, electric main is load supplying after rectification and inversion, after mains failure by storage battery through inverter power supply, after fault of converter by civil power through bypass power supply.
3. pluses and minuses: the advantage of this system be can filtering civil power the problem such as spike, overvoltage, can guarantee that civil power and battery powered switching time are zero simultaneously; Due to UPS complex structure, power supply is through 2 conversion simultaneously, and therefore its shortcoming is that reliability is low, loss large (generally between 8%-25%).
(2) online 48V DC power-supply system;
Online 48V direct current supply pattern already maturation is applied in the communications industry, because data equipment power consumption is more much bigger than conventional communication device, therefore generally adopts diversified power supply system in data center.The feature of this system comprises:
1. system configuration: compared with UPS, it has cancelled inverter, storage battery directly hangs over rectifier output end, and for improving reliability, rectification module adopts parallel way conventionally; Server adopts 48V direct-current input power supplying.
2. operational mode: when normal electric main after DC power supply rectification for load provides DC power supply, after mains failure by storage battery power supply.
3. pluses and minuses: its advantage is system mature and reliable; Its shortcoming is that system voltage is lower, and transmission range is limited, and loss is larger.
(3) online high voltage direct current (as DC240V) electric power system;
This system is also in experimental stage at present, and not in data center's large-scale application, its feature comprises:
1. system configuration: power supply structure is with concentrating online high voltage direct current power supply unit; Server adopts conventional AC 220V input power, can the direct current input within the specific limits of compatible voltage.
2. operational mode: when normal, electric main provides DC power supply through rectification for load, after mains failure by storage battery power supply.
3. pluses and minuses: its advantage is to be all improved than ups system reliability and efficiency; Its shortcoming is larger than the loss of backup type low-voltage DC supply system, and power-supply device configuration capacity is large.
(4) backup type low-voltage direct (DC48V or DC12V) electric power system.
This system mainly comprises that power supply plan and the Facebook company power supply plan used that Google company is used adopts at present, wherein the power supply plan of Google adopts DC 12V voltage (being called for short " DC12V scheme "), and Facebook scheme adopts DC48V voltage (being called for short " DC48V scheme ").The feature of this system comprises:
1. system configuration: power-supply device is distributed to data center module by this system, wherein DC12V scheme is by 12V cell arrangement to every station server, and front end no longer arranges other power-supply devices; In DC48V scheme, every station server power supply has two inputs, and the one, electric main input, the 2nd, direct current 48V input, server front end is established storage battery frame, and a storage battery frame (containing charging rectifier) is that 6 server racks make back-up source.
2. operational mode: when normal, electric main directly enters information technoloy equipment power supply, after mains failure, switches to 12V or 48V storage battery power supply.
3. pluses and minuses: its advantage running efficiency of system is high; Its shortcoming is that batteries is disperseed machine room, has improved building environment requirement.
At present, most of data center server adopts on line type UPS system power supply, civil power is through over commutation, twice conversion of inversion, loss generally reaches 10%-15%, in addition, be subject to structural limitations, the power supply reliability of ups system is lower, improve redundancy (as 2N) although can improve reliability, also increased power-supply device investment and loss simultaneously.
In recent years, start in the industry online high voltage direct current power supply on probation, this system has reduced inversion link, can reduce loss approximately 5%, has also greatly improved power supply reliability simultaneously.
The external scheme of disperseing backup type low-voltage DC supply that adopts, its outstanding advantages is greatly to have improved entire system efficiency.Power-supply device and battery Monodispersed are installed to data center module by this system, main problem is: storage battery is different to the requirement of environment with server, particularly lead acid accumulator is subject to the impact of environment larger, under the background developing to high temperatureization at server, lead-acid battery and server are installed and have been limited again this development trend with machine room, but therefore this scheme is relatively applicable to ambient temperature to require the higher lithium battery of lower expense.
In sum, in the existing construction for electricity of data center server, UPS power supply plan reliability is low, loss is large; 48V direct current supply scheme transmission range is short, loss is large; High voltage direct current scheme reliability and loss are all moderate; Backup type low-voltage DC supply scheme is most effective in existing scheme, but having relatively high expectations to building environment.
Summary of the invention
The object of this invention is to provide a kind of efficient, reliable electric power system for electronic equipment and corresponding rack power supplies.
According to an aspect of the present invention, provide a kind of system for electronic equipment power supply, comprised backup type high-voltage DC power supply, and rack power supplies, it is characterized in that:
The input of described backup type high-voltage DC power supply is High Level AC Voltage, comprising:
Rectifying installation, for High Level AC Voltage input is converted to high voltage direct current output, the high voltage direct current output of its output and batteries is connected in parallel;
Described rack power supplies comprises:
High Level AC Voltage input is converted into the first module of low-voltage DC output;
The second module that high voltage direct current input from backup type high-voltage DC power supply is converted into low-voltage DC output, the output of described first, second module is connected in parallel, by a low-voltage direct bus output, with thinking multiple electronic equipment power supply;
Control switching device shifter, switch described first, second module for controlling, while guaranteeing that described High Level AC Voltage is normal, described multiple electronic equipment, by described first kind module for power supply, is had no progeny in described High Level AC Voltage, by described the second module for power supply.
According to a further aspect in the invention, also provide a kind of rack power supplies to multiple electronic equipment power supply, it is characterized in that, having comprised:
High Level AC Voltage input is converted into the first module of low-voltage direct output;
The second module that high voltage direct current input is converted into low-voltage direct output, the output of described first, second module is connected in parallel, by a low-voltage direct bus output, with thinking multiple electronic equipment power supply;
Control switching device shifter, switch described first, second module for controlling, while guaranteeing that electric main is normal, described multiple electronic equipment, by described the first module for power supply, is had no progeny in electric main, by described the second module for power supply.
Compared with prior art, the present invention has that efficiency is high, reliability is high and invest little beneficial effect.The invention has the advantages that:
1. high-voltage DC power supply capacity only needs battery charging, as compared with primary system, has saved cost of equipment with high voltage direct current, has reduced this part loss simultaneously;
2. the raising of direct voltage, increases power supply distance, batteries can centralized arrangement in independent battery room, carry out separately air conditioning, can save data center's integral air conditioner energy consumption;
3. compared with arriving the scheme of every station server with battery decentralized configuration, former scheme is because the life-span of server and storage battery is different, therefore improve the complexity of safeguarding and caused equipment waste, and this programme is by batteries centralized arrangement, be convenient to plant maintenance and improve the utilance of equipment, reduced equipment purchase expense.
Accompanying drawing explanation
By reading the detailed description that non-limiting example is done of doing with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 illustrates the system schematic that is used to electronic equipment power supply according to one aspect of the invention.
Fig. 2 illustrates the system schematic that is used to multiple servers power supply of an instantiation according to the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 1 illustrates the electronic equipment electric power system framework according to efficient, the reliable data center of the one of one aspect of the invention.As shown in Figure 1, high-voltage DC power supply 1 and batteries 4 are concentrated and are positioned in electric power battery chamber, and rack power supplies module 5 and multiple electronic equipment are concentrated and be positioned in machine room.Wherein, rack power supplies module 5 be multiple electronic equipment 9 (E1, E2 ...) and power, when AC high voltage is normal, directly powered by AC high voltage, in AC high voltage, have no progeny and change by batteries 4 stand-by power supplies.Wherein electronic equipment includes but not limited to server, computer, router, notebook computer etc.
The preferred embodiment of the invention adopts shares the scheme of power supply, and it has absorbed the advantage of existing centralized and backup power simultaneously.Wherein batteries centralized arrangement is in battery chamber, be positioned in data center module and multiple electronic equipment is concentrated, because batteries is different to the requirement of environment with electronic equipment, therefore by separated to electronic equipment and batteries, reduce the complexity of safeguarding and saved cost.
Particularly, as shown in Figure 1, electric power system can be divided into two parts: be positioned at the backup type high-voltage DC power supply 1 of electronic equipment front end, and be used to electronic equipment that the rack power supplies 5 of power supply is provided.Wherein, multiple electronic equipment 9 front ends have high-voltage ac power and high-voltage DC power supply, and wherein high-voltage DC power supply can be realized in many ways, includes but not limited to:
1) provide with the form of batteries 4, or;
2) formation that High Level AC Voltage is converted into high voltage direct current through rectification provides.
Rack power supplies 5 be used to multiple electronic equipments 9 (E1, E2 ...) and power supply, it comprises and is divided into high-voltage alternating input and high voltage direct current is inputted two generic modules, the low-voltage direct that every electronic equipment 9 is shared rack power supplies is exported.
The input of backup type high-voltage DC power supply 1 is High Level AC Voltage input, and output is high voltage direct current output, and it comprises:
Rectifying installation 2, for High Level AC Voltage input is converted to high voltage direct current output, the high voltage direct current output of its output and batteries 4 is connected in parallel;
Rack power supplies 5 comprises: for high-voltage alternating input being converted into the first module 6 of low-voltage direct output; High voltage direct current input from backup type high-voltage DC power supply 1 is converted into the second module 7 of low-voltage direct output, wherein, the output of described the first module 6, the second module 7 is connected in parallel, by the output of low-voltage direct bus, with thinking that multiple electronic equipment 9 powers;
Rack power supplies 5 also comprises controls switching device shifter 8, be used for controlling and switch described the first module 6, the second module 7, while guaranteeing that described High Level AC Voltage is normal, described multiple electronic equipment 9 is powered by described the first module 6, in described High Level AC Voltage, have no progeny, powered by described the second module 7.
In a preferred embodiment, rectifying installation 2 is also used to battery charging, and in the time that High Level AC Voltage is normal, described rectification module 2 only carries out floating charge for described batteries; After High Level AC Voltage has a power failure, batteries is powered for described multiple electronic equipment 9 by described the second module 7; After High Level AC Voltage incoming call, described control switching device shifter 8 switches the first module 6 and the second module 7, switch to by the first module 6 and power, described multiple electronic equipment 9 changes by described the first module 6 powers, and described rectifying installation 2 carries out equalizing charge for batteries 4, after being full of, go to floating charge state.
This:
" floating charge " refers to a kind of continuous, long constant voltage charging method, system can provide the constant voltage a little more than accumulator voltage, is enough to compensate storage battery self discharge loss and can after battery discharging, makes quickly storage battery return to approach complete charged state.
" equalizing charge " refers in the use procedure of storage battery, because the reason such as individual difference, temperature contrast of storage battery causes battery terminal voltage imbalance, for fear of the deterioration of this uneven trend, thereby the charging voltage of raising batteries activates charging to storage battery.
In another preferred embodiment, in described rack power supplies 5, described control switching device shifter 8 can directly be connected with the first module 6, also can directly be connected with the second module 7.Described the first module 6 or the second module 7 are exported via described control switching device shifter 8, are connected in parallel with the output of corresponding another module, by a low-voltage direct bus output, power for multiple electronic equipment 9 simultaneously.
In another preferred embodiment, described backup type high-voltage DC power supply 1 also comprises monitoring module 3, for battery management and insulating monitoring, mainly completes the functions such as measurement, alarm, communication, battery management.
In another preferred embodiment, described rectification module 2 can adopt modularization hot plug mode, and its capacity only need meet batteries 4 and charge.
In another preferred embodiment, described rack power supplies 5 is arranged in data center module, and batteries is installed concentratedly in battery chamber.
In another preferred embodiment, the scope of high-voltage alternating includes but not limited to AC110V-AC400V, and the scope of high voltage direct current includes but not limited to DC110V-DC400V, and the scope of low-voltage direct includes but not limited to DC12V-DC110V.
Fig. 2 shows another specific embodiment according to this aspect.This be embodied as to multiple servers 9 (1,2 ... N) power supply electric power system.System can be divided into two parts: be positioned at the backup type high-voltage DC power supply 1 of server front end, and be used to multiple servers 9 (1,2 ... N) rack power supplies 5 of power supply is provided.Wherein, multiple servers 9 (1,2 ... N) front end have High Level AC Voltage AC220V input and high voltage direct current to input, wherein high voltage direct current provides with the form of batteries and/or provides with the formation that High Level AC Voltage AC380V is converted into high voltage direct current through rectification module 2.Multiple servers self is powered by rack power supplies 5, can be divided into high-voltage alternating input and high voltage direct current and input two generic modules, and each server is shared the 12V low-voltage direct output of chassis level power supply.Rack power supplies can be arranged in data center module, and batteries can be installed concentratedly in battery chamber.
Particularly, the input of described backup type high-voltage DC power supply is High Level AC Voltage AC380V input, and output is high voltage direct current output, and it comprises:
Rectifying installation 2, for High Level AC Voltage AC380V input is converted to high voltage direct current output, the high voltage direct current output of its output and batteries is connected in parallel;
Rack power supplies comprises: for high-voltage alternating AC220V input being converted into the category-A module 6 of 12V low-voltage direct output; High voltage direct current input from backup type high-voltage DC power supply is converted into the category-B module 7 of 12V low-voltage direct output, the output of described category-A module 6, category-B module 7 is connected in parallel, by the output of 12V low-voltage direct bus, with thinking multiple servers 9 (1,2 ... N) power supply;
Rack power supplies 5 also comprises controls handover module 8, switches described category-A module 6 and category-B module 7 for controlling.Control handover module 8 and can be specially a diode, it is connected with category-B power module 7, in the time that High Level AC Voltage AC220V is normal, diode and the 7 conducting cut-offs of category-B power module, now by category-A power module 6 be multiple servers 9 (1,2 ... N) power supply; When having no progeny in High Level AC Voltage AC220V, diode and 7 conductings of category-B power module, now by category-B module 7 be multiple servers 9 (1,2 ... N) power supply.
In another preferred embodiment, rectification module 2 is also used to batteries 4 to charge, and in the time that High Level AC Voltage AC380V is normal, rectification module 2 only carries out floating charge for batteries 4; After High Level AC Voltage AC380V has a power failure, batteries 4 by category-B module 7 be multiple servers 9 (1,2 ... N) power; After High Level AC Voltage incoming call, control handover module and switch category-A module 6 and category-B module 7, and multiple servers 9 (1,2 ... N) change by category-A module 6 and power, rectification module 2 carries out equalizing charge for batteries 4, after being full of, goes to floating charge state.
In another preferred embodiment, backup type high-voltage DC power supply 1 can also comprise monitoring module 3, for battery management and insulating monitoring, mainly completes the functions such as measurement, alarm, communication, battery management.
In another preferred embodiment, rectification module 2 can also adopt modularization hot plug mode, and its capacity only need meet battery charging.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and in the situation that not deviating from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present invention is limited by claims rather than above-mentioned explanation, is therefore intended to all changes that drop in the implication and the scope that are equal to important document of claim to be included in the present invention.Any Reference numeral in claim should be considered as limiting related claim.In addition, obviously other unit or step do not got rid of in " comprising " word, and odd number is not got rid of plural number.Multiple unit of stating in device claim or device also can be realized by software or hardware by a unit or device.The first, the second word such as grade is used for representing title, and does not represent any specific order.

Claims (9)

1. for the electric power system to electronic equipment power supply, comprise backup type high-voltage DC power supply, and rack power supplies, wherein:
The input of described backup type high-voltage DC power supply is High Level AC Voltage, comprising:
Rectifying installation, for High Level AC Voltage input is converted to high voltage direct current output, the high voltage direct current output of its output and batteries is connected in parallel;
Described rack power supplies comprises:
High Level AC Voltage input is converted into the first module of low-voltage DC output;
High voltage direct current input from backup type high-voltage DC power supply is converted into the second module of low-voltage DC output, the output of described first, second module is connected in parallel, by a low-voltage direct bus output, wherein, with thinking multiple electronic equipment power supply;
Control switching device shifter, switch described first, second module for controlling, while guaranteeing that described High Level AC Voltage is normal, described multiple electronic equipments, by described first kind module for power supply, are had no progeny in described High Level AC Voltage, by described the second module for power supply.
2. electric power system as claimed in claim 1, wherein, described rectifying installation is also used to battery charging, and in the time that High Level AC Voltage is normal, described rectification module only carries out floating charge for described batteries; After High Level AC Voltage has a power failure, batteries is described multiple electronic equipment power supply by described the second module; After High Level AC Voltage incoming call, described control switching device shifter switches described first, second module, and described multiple electronic equipments change by described the first module for power supply, and described rectifying installation is that batteries is carried out equalizing charge, after being full of, goes to floating charge state.
3. electric power system as claimed in claim 1 or 2, wherein, described backup type high-voltage DC power supply also comprises: monitoring module, for battery management and insulating monitoring.
4. electric power system as claimed in claim 1 or 2, wherein, described rectification module adopts modularization hot plug mode, and its capacity meets battery charging.
5. electric power system as claimed in claim 1, wherein, described rack power supplies is arranged in data center module, and described batteries is installed concentratedly in battery chamber.
6. electric power system as claimed in claim 1, wherein, described high-voltage alternating is AC110V-AC400V, and described high voltage direct current is DC110V-DC400V, and described low-voltage direct is DC12V-DC110V.
7. to a rack power supplies for multiple electronic equipment power supply, wherein, comprising:
High Level AC Voltage input is converted into the first module of low-voltage direct output;
The second module that high voltage direct current input is converted into low-voltage direct output, the output of described first, second module is connected in parallel, by a low-voltage direct bus output, in order to power to multiple electronic equipment;
Control switching device shifter, switch described first, second module for controlling, while guaranteeing that High Level AC Voltage is normal, described multiple electronic equipment, by described the first module for power supply, is had no progeny in electric main, by described the second module for power supply.
8. rack power supplies as claimed in claim 7, wherein, described rack power supplies is arranged in data center module.
9. rack power supplies as claimed in claim 7, wherein, described high-voltage alternating is AC110V-AC400V, and described high voltage direct current is DC110V-DC400V, and described low-voltage direct is DC12V-DC110V.
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Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102664452A (en) * 2012-05-04 2012-09-12 北京天地云箱科技有限公司 Server cabinet and data center with same
CN102710004A (en) * 2012-05-15 2012-10-03 浪潮电子信息产业股份有限公司 Efficient power supply method of data center
CN103683462B (en) * 2012-09-26 2015-12-09 北京百度网讯科技有限公司 Server cabinet
CN103187786B (en) * 2013-02-05 2015-05-06 北京时空科技有限公司 Power supply load control module powered by double power supply of IT (Information Technology) device and method
CN106208350B (en) 2013-03-06 2020-12-01 华为技术有限公司 Power supply method and device
CN104242428B (en) * 2013-06-07 2018-08-10 南京中兴软件有限责任公司 A kind of method of supplying power to and device for Information Technology Equipment
CN103701189B (en) * 2013-12-25 2016-01-13 联方云天科技(北京)有限公司 A kind of distributed dynamic balanced power supply method of networking
CN103701188A (en) * 2013-12-25 2014-04-02 联方云天科技(北京)有限公司 Networking distributive high-voltage direct current power supply system
CN103683270B (en) * 2013-12-26 2016-01-20 联方云天科技(北京)有限公司 A kind of distributive high-voltage direct current power supply management method of networking
CN104393666B (en) * 2014-11-26 2017-02-01 中国联合网络通信集团有限公司 Power supply system for data center
US9923414B2 (en) 2016-02-03 2018-03-20 Eliot Ahdoot System for redundant power supply to a data center
CN107181287A (en) * 2016-03-11 2017-09-19 阿里巴巴集团控股有限公司 Realize the load factor method and system of each power supply in the electric supply installation for automatically adjusting information technoloy equipment
CN106505723A (en) * 2016-10-17 2017-03-15 中国联合网络通信集团有限公司 A kind of data server electric power system
CN106712233A (en) * 2017-02-20 2017-05-24 广东南方电信规划咨询设计院有限公司 Small low-noise mobile power generation system for wireless base station
CN107147205A (en) * 2017-05-24 2017-09-08 中国联合网络通信集团有限公司 A kind of electric power system
CN108847713A (en) * 2018-07-23 2018-11-20 佛山市众盈电子有限公司 A kind of DC Bus voltage compensatory of uninterruptible power supply and its compensation method
CN110729807A (en) * 2019-09-04 2020-01-24 许继电源有限公司 Direct-current power supply floating charge control method and direct-current power supply system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101452330A (en) * 2007-11-30 2009-06-10 上海云骅电子科技有限公司 Computer power supply with DC interface

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202455149U (en) * 2011-09-30 2012-09-26 百度在线网络技术(北京)有限公司 Power supply system for supplying electronic equipment and frame power supply

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101452330A (en) * 2007-11-30 2009-06-10 上海云骅电子科技有限公司 Computer power supply with DC interface

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
关于IDC机房直流供电系统的研究;王冬虎;《2008通信电源学术研讨会论文集》;20080927;31-33 *
张毅.高压直流供电技术在通信机房的应用及节能效果分析.《电信快报》.2011,(第8期),24-27.
王冬虎.关于IDC机房直流供电系统的研究.《2008通信电源学术研讨会论文集》.2008,31-33.
高压直流供电技术在通信机房的应用及节能效果分析;张毅;《电信快报》;20110831(第8期);24-27 *

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